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Kevin Buettner 522044dc5f Introduce gdb_exception_forced_quit 
This commit adds a new exception 'gdb_exception_forced_quit', reason
code 'REASON_FORCED_QUIT', return mask 'RETURN_MASK_FORCED_QUIT', and
a wrapper for throwing the exception, throw_forced_quit().

The addition of this exception plus supporting code will allow us to
recognize that a SIGTERM has been received by GDB and then propagate
recognition of that fact to the upper levels of GDB where it can be
correctly handled.  At the moment, when GDB receives a SIGTERM, it
will attempt to exit via a series of calls from the QUIT checking
code.  However, before it can exit, it must do various cleanups, such
as killing or detaching all inferiors.  Should these cleanups be
attempted while GDB is executing very low level code, such as reading
target memory from within ps_xfer_memory(), it can happen that some of
GDB's state is out of sync with regard to the cleanup code's
expectations.  In the case just mentioned, it's been observed that
inferior_ptid and the current_thread_ are not in sync; this triggers
an assert / internal error.

This commit only introduces the exception plus supporting machinery;
changes which use this new exception are in later commits in this
series.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=26761
Tested-by: Tom de Vries <tdevries@suse.de>
Approved-by: Pedro Alves <pedro@palves.net>
2023-02-27 16:20:38 -07:00
..
.dir-locals.el Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
.gitattributes
acinclude.m4 gdb: don't use -Wmissing-prototypes with g++ 2022-01-13 10:25:45 +00:00
aclocal.m4
agent.cc Do not cast away const in agent_run_command 2023-02-14 09:01:18 -07:00
agent.h Do not cast away const in agent_run_command 2023-02-14 09:01:18 -07:00
alt-stack.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
array-view.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
ax.def Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
block-signals.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
break-common.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
btrace-common.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
btrace-common.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
buildargv.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
byte-vector.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
ChangeLog-2020-2021
check-defines.el Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
cleanups.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
cleanups.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-debug.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-debug.h gdbsupport: fix scoped_debug_start_end's move constructor 2023-01-05 15:18:11 -05:00
common-defs.h Set _WIN32_WINNT in common.m4 configure check 2023-01-11 11:00:42 -07:00
common-exceptions.cc Introduce gdb_exception_forced_quit 2023-02-27 16:20:38 -07:00
common-exceptions.h Introduce gdb_exception_forced_quit 2023-02-27 16:20:38 -07:00
common-gdbthread.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-inferior.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-inferior.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-regcache.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-regcache.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-types.h GDB: Switch to using C++ standard integer type limits 2023-02-10 23:49:19 +00:00
common-utils.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
common-utils.h gdbsupport: add gdb::string_view_hash 2023-01-05 14:38:51 -05:00
common.m4 Set _WIN32_WINNT in common.m4 configure check 2023-01-11 11:00:42 -07:00
compiler-type.m4 Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
config.in gdbsupport: move libxxhash configure check to gdbsupport 2023-01-05 14:38:51 -05:00
configure Set _WIN32_WINNT in common.m4 configure check 2023-01-11 11:00:42 -07:00
configure.ac Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
create-version.sh Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
def-vector.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
default-init-alloc.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
eintr.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
enum-flags.h enum_flags to_string 2023-01-30 15:03:55 -05:00
environ.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
environ.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
errors.cc Move implementation of perror_with_name to gdbsupport 2023-02-10 21:04:45 -05:00
errors.h Move implementation of perror_with_name to gdbsupport 2023-02-10 21:04:45 -05:00
event-loop.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
event-loop.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
event-pipe.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
event-pipe.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
fileio.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
fileio.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
filestuff.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
filestuff.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
filtered-iterator.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
format.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
format.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
forward-scope-exit.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
function-view.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_assert.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_binary_search.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_file.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_locale.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_obstack.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_obstack.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_optional.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_proc_service.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_ref_ptr.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_regex.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_regex.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_select.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_setjmp.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_signals.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_splay_tree.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_string_view.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_string_view.tcc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_sys_time.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_tilde_expand.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_tilde_expand.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_unique_ptr.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_unlinker.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_vecs.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_vecs.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_wait.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb_wait.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-checked-static-cast.h gdbsupport: allow passing nullptr to checked_static_cast 2023-01-31 12:36:46 -05:00
gdb-dlfcn.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-dlfcn.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-hashtab.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-hashtab.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-safe-ctype.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-sigmask.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
gdb-xfree.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
hash_enum.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
host-defs.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
intrusive_list.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
invoke-result.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
iterator-range.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
job-control.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
job-control.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
Makefile.am Remove struct buffer 2023-02-24 11:53:03 -07:00
Makefile.in Remove struct buffer 2023-02-24 11:53:03 -07:00
netstuff.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
netstuff.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
new-op.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
next-iterator.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
observable.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
offset-type.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
packed.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
parallel-for.h Avoid submitting empty tasks in parallel_for_each 2023-01-17 07:03:26 -07:00
pathstuff.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
pathstuff.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
poison.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
preprocessor.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
print-utils.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
print-utils.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
ptid.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
ptid.h gdbsupport: add type definitions for pid, lwp and tid 2023-02-02 10:02:34 -05:00
ptrace.m4 Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
range-chain.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
README
refcounted-object.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
reference-to-pointer-iterator.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
rsp-low.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
rsp-low.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
run-time-clock.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
run-time-clock.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
safe-iterator.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
safe-strerror.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scope-exit.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_fd.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_ignore_signal.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_ignore_sigttou.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_mmap.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_mmap.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
scoped_restore.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
search.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
search.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
selftest.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
selftest.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
selftest.m4 Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
signals-state-save-restore.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
signals-state-save-restore.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
signals.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
symbol.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
tdesc.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
tdesc.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
thread-pool.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
thread-pool.h Let user C-c when waiting for DWARF index finalization 2023-02-09 07:21:52 -07:00
traits.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
underlying.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
valid-expr.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
version.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
warning.m4 Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
x86-xstate.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
xml-utils.cc Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00
xml-utils.h Update copyright year range in header of all files managed by GDB 2023-01-01 17:01:16 +04:00

README 

This is a helper library that is used by gdb and gdbserver.

To send patches, follow the gdb patch submission instructions in
../gdb/CONTRIBUTE.  For maintainers, see ../gdb/MAINTAINERS.